145344402336 has 48 divisors (see below), whose sum is σ = 436033209024. Its totient is φ = 41526971904.

The previous prime is 145344402331. The next prime is 145344402349. The reversal of 145344402336 is 633204443541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×145344402336² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145344402294 and 145344402303.

It is not an unprimeable number, because it can be changed into a prime (145344402331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108142485 + ... + 108143828.

It is an arithmetic number, because the mean of its divisors is an integer number (9084025188).

Almost surely, 2^145344402336 is an apocalyptic number.

145344402336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145344402336 is an abundant number, since it is smaller than the sum of its proper divisors (290688806688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145344402336 is a wasteful number, since it uses less digits than its factorization.

145344402336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216286333 (or 216286325 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 145344402336 its reverse (633204443541), we get a palindrome (778548845877).

The spelling of 145344402336 in words is "one hundred forty-five billion, three hundred forty-four million, four hundred two thousand, three hundred thirty-six".